$\lim _{x \rightarrow 0^{+}} \frac{\cos ^{-1}\left(x-[x]^{2}\right) \cdot \sin ^{-1}\left(x-[x]^{2}\right)}{x-x^{3}}$ ની કિંમત શોધો,જ્યાં $[x]$ એ $x$ થી નાનો અથવા તેના જેટલો મહત્તમ પૂર્ણાંક દર્શાવે છે.

  • A
    $\pi$
  • B
    $0$
  • C
    $\frac{\pi}{4}$
  • D
    $\frac{\pi}{2}$

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